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156 Lotus Security Handbook<br />

5. Data Access to Intranet zone policies<br />

Table 4-5 Data Access to Intranet zone flows (Inbound)<br />

Application Protocol Port DataAccess Intranet Comments<br />

SMTP TCP 25 H H Core server to Corp. Mail Relay<br />

/ Specific IP Addr<br />

DNS UDP 53 H H DNS Forwarder needed to<br />

prevent recursive queries.<br />

NTP UDP 123 H H Synch to source on Intranet.<br />

SNMP Trap UDP 162 H H TMR/GW/Netview to Internal<br />

Netview. System and Network<br />

Mgmt Traps.<br />

Domino<br />

Replication<br />

TCP 1352 X X<br />

MQ Series TCP 1414 H H Channel encryption/shared key<br />

MQ (HACMP) TCP 1415 H H Channel encryption/shared key<br />

DB2®<br />

(JDBC-DPROPR)<br />

TCP 37xx H H 3700-371x variances based on<br />

geography<br />

H - host specific filters<br />

X - network filter

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